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Your granddaughter and your grandniece are second cousins or third cousins to each other
What else can I help you with?
What relation is your granddaughter to your aunt?
You granddaughter is a great great niece of your aunt. Your aunt is your granddaughter's great great aunt.
What relation am I to my niece's granddaughter?
You are the great-great-aunt/uncle to your niece's granddaughter. This means that your niece's granddaughter is your great-great-niece. The term "great-great" signifies that there are two generations between you and your niece's granddaughter.
What relation is your sister's granddaughter's daughter to you?
Your sister's daughter is your niece. Your sister's granddaughter is your great niece Your sister's granddaughter's daughter (your sister's great granddaughter) is your great great niece. You are her great great aunt, if you are a woman, or her great great uncle, if you are a man.
What relation is my sister's granddaughter to my brother?
Great niece
What relation is your great niece to your daughter?
Your great great niece is the granddaughter of your niece or nephew. Your daughter and your niece or nephew are first cousins. Your daughter and your great great niece are first cousins, twice removed.
What relation to you is your aunts granddaughter?
your niece
What is the relation of your granddaughter and grand niece?
Your granddaughter and grand niece are second cousins to each other.
What relation are your brother's children to your granddaughter?
Your brothers granddaughter is your grandniece.
What is the Term for your niece's daughter?
Your niece's daughter is your great niece and her granddaughter is your great great niece. You are the granddaughter's her great great aunt or great great uncle.
What is your relationship to your niece's granddaughter?
Your niece's granddaughter is your great great niece. You are her great great aunt (if you are a woman) or her great great uncle (if you are a man).
What relation is my sister's granddaughter to myself?
Your sister's grand daughter is your grand niece or great niece. You are her great aunt or great uncle.
What relation are you to your sister's son's daughter?
Your sister's son's daughter is your sister's granddaughter and your great niece. (Some would say "grand niece.") You are her great uncle or great aunt.
